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    <link rel="stylesheet" href="layer-group.css">
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    <title>Layer group example</title>
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      <div class="container" id="navbar-inner-container">
        <a class="navbar-brand" href="./"><img src="./resources/logo-70x70.png">&nbsp;OpenLayers 3 Examples</a>
      </div>
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    <div class="container-fluid">

      <div class="row-fluid">
  <div class="span6">
    <div id="map" class="map"></div>
  </div>
  <div id="layertree" class="span6">
    <h5>Click on layer nodes below to change their properties.</h5>
    <ul>
      <li><span>OpenAerial layer</span>
        <fieldset id="layer0">
          <label class="checkbox" for="visible0">
            <input id="visible0" class="visible" type="checkbox"/>visibility
          </label>
          <label>opacity</label>
          <input class="opacity" type="range" min="0" max="1" step="0.01"/>
        </fieldset>
      </li>
      <li><span>Layer group</span>
        <fieldset id="layer1">
          <label class="checkbox" for="visible1">
            <input id="visible1" class="visible" type="checkbox"/>visibility
          </label>
          <label>opacity</label>
          <input class="opacity" type="range" min="0" max="1" step="0.01"/>
        </fieldset>
        <ul>
          <li><span>Food insecurity layer</span>
            <fieldset id="layer10">
              <label class="checkbox" for="visible10">
                <input id="visible10" class="visible" type="checkbox"/>visibility
              </label>
              <label>opacity</label>
              <input class="opacity" type="range" min="0" max="1" step="0.01"/>
            </fieldset>
          </li>
          <li><span>World borders layer</span>
            <fieldset id="layer11">
              <label class="checkbox" for="visible11">
                <input id="visible11" class="visible" type="checkbox"/>visibility
              </label>
              <label>opacity</label>
              <input class="opacity" type="range" min="0" max="1" step="0.01"/>
            </fieldset>
          </li>
        </ul>
      </li>
    </ul>
  </div>
</div>


      <div class="row-fluid">
        <div class="span12">
          <h4 id="title">Layer group example</h4>
          <p id="shortdesc">Example of a map with layer group.</p>
          <div id="docs"><p>Example of a map with layer group.</p>
</div>
          <div id="tags">tilejson, input, bind, group, layergroup</div>
          <div id="api-links">Related API documentation: <ul class="inline"><li><a href="../apidoc/ol.Map.html" title="API documentation for ol.Map">ol.Map</a></li>,<li><a href="../apidoc/ol.View.html" title="API documentation for ol.View">ol.View</a></li>,<li><a href="../apidoc/ol.layer.Group.html" title="API documentation for ol.layer.Group">ol.layer.Group</a></li>,<li><a href="../apidoc/ol.layer.Tile.html" title="API documentation for ol.layer.Tile">ol.layer.Tile</a></li>,<li><a href="../apidoc/ol.proj.html" title="API documentation for ol.proj">ol.proj</a></li>,<li><a href="../apidoc/ol.source.MapQuest.html" title="API documentation for ol.source.MapQuest">ol.source.MapQuest</a></li>,<li><a href="../apidoc/ol.source.TileJSON.html" title="API documentation for ol.source.TileJSON">ol.source.TileJSON</a></li></ul></div>
        </div>
      </div>

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          <a id="copy-button"><i class="fa fa-clipboard"></i> Copy</a>
          <a id="jsfiddle-button"><i class="fa fa-jsfiddle"></i> Edit</a>
        </div>
        <form method="POST" id="jsfiddle-form" target="_blank" action="http://jsfiddle.net/api/post/jquery/1.11.0/">
          <textarea class="hidden" name="js">var map &#x3D; new ol.Map({
  layers: [
    new ol.layer.Tile({
      source: new ol.source.MapQuest({layer: &#x27;sat&#x27;})
    }), new ol.layer.Group({
      layers: [
        new ol.layer.Tile({
          source: new ol.source.TileJSON({
            url: &#x27;http://api.tiles.mapbox.com/v3/&#x27; +
                &#x27;mapbox.20110804-hoa-foodinsecurity-3month.jsonp&#x27;,
            crossOrigin: &#x27;anonymous&#x27;
          })
        }),
        new ol.layer.Tile({
          source: new ol.source.TileJSON({
            url: &#x27;http://api.tiles.mapbox.com/v3/&#x27; +
                &#x27;mapbox.world-borders-light.jsonp&#x27;,
            crossOrigin: &#x27;anonymous&#x27;
          })
        })
      ]
    })
  ],
  target: &#x27;map&#x27;,
  view: new ol.View({
    center: ol.proj.fromLonLat([37.40570, 8.81566]),
    zoom: 4
  })
});

function bindInputs(layerid, layer) {
  var visibilityInput &#x3D; $(layerid + &#x27; input.visible&#x27;);
  visibilityInput.on(&#x27;change&#x27;, function() {
    layer.setVisible(this.checked);
  });
  visibilityInput.prop(&#x27;checked&#x27;, layer.getVisible());

  var opacityInput &#x3D; $(layerid + &#x27; input.opacity&#x27;);
  opacityInput.on(&#x27;input change&#x27;, function() {
    layer.setOpacity(parseFloat(this.value));
  });
  opacityInput.val(String(layer.getOpacity()));
}
map.getLayers().forEach(function(layer, i) {
  bindInputs(&#x27;#layer&#x27; + i, layer);
  if (layer instanceof ol.layer.Group) {
    layer.getLayers().forEach(function(sublayer, j) {
      bindInputs(&#x27;#layer&#x27; + i + j, sublayer);
    });
  }
});

$(&#x27;#layertree li &gt; span&#x27;).click(function() {
  $(this).siblings(&#x27;fieldset&#x27;).toggle();
}).siblings(&#x27;fieldset&#x27;).hide();
</textarea>
          <textarea class="hidden" name="css">#layertree li &gt; span {
  cursor: pointer;
}</textarea>
          <textarea class="hidden" name="html">&lt;div class&#x3D;&quot;row-fluid&quot;&gt;
  &lt;div class&#x3D;&quot;span6&quot;&gt;
    &lt;div id&#x3D;&quot;map&quot; class&#x3D;&quot;map&quot;&gt;&lt;/div&gt;
  &lt;/div&gt;
  &lt;div id&#x3D;&quot;layertree&quot; class&#x3D;&quot;span6&quot;&gt;
    &lt;h5&gt;Click on layer nodes below to change their properties.&lt;/h5&gt;
    &lt;ul&gt;
      &lt;li&gt;&lt;span&gt;OpenAerial layer&lt;/span&gt;
        &lt;fieldset id&#x3D;&quot;layer0&quot;&gt;
          &lt;label class&#x3D;&quot;checkbox&quot; for&#x3D;&quot;visible0&quot;&gt;
            &lt;input id&#x3D;&quot;visible0&quot; class&#x3D;&quot;visible&quot; type&#x3D;&quot;checkbox&quot;/&gt;visibility
          &lt;/label&gt;
          &lt;label&gt;opacity&lt;/label&gt;
          &lt;input class&#x3D;&quot;opacity&quot; type&#x3D;&quot;range&quot; min&#x3D;&quot;0&quot; max&#x3D;&quot;1&quot; step&#x3D;&quot;0.01&quot;/&gt;
        &lt;/fieldset&gt;
      &lt;/li&gt;
      &lt;li&gt;&lt;span&gt;Layer group&lt;/span&gt;
        &lt;fieldset id&#x3D;&quot;layer1&quot;&gt;
          &lt;label class&#x3D;&quot;checkbox&quot; for&#x3D;&quot;visible1&quot;&gt;
            &lt;input id&#x3D;&quot;visible1&quot; class&#x3D;&quot;visible&quot; type&#x3D;&quot;checkbox&quot;/&gt;visibility
          &lt;/label&gt;
          &lt;label&gt;opacity&lt;/label&gt;
          &lt;input class&#x3D;&quot;opacity&quot; type&#x3D;&quot;range&quot; min&#x3D;&quot;0&quot; max&#x3D;&quot;1&quot; step&#x3D;&quot;0.01&quot;/&gt;
        &lt;/fieldset&gt;
        &lt;ul&gt;
          &lt;li&gt;&lt;span&gt;Food insecurity layer&lt;/span&gt;
            &lt;fieldset id&#x3D;&quot;layer10&quot;&gt;
              &lt;label class&#x3D;&quot;checkbox&quot; for&#x3D;&quot;visible10&quot;&gt;
                &lt;input id&#x3D;&quot;visible10&quot; class&#x3D;&quot;visible&quot; type&#x3D;&quot;checkbox&quot;/&gt;visibility
              &lt;/label&gt;
              &lt;label&gt;opacity&lt;/label&gt;
              &lt;input class&#x3D;&quot;opacity&quot; type&#x3D;&quot;range&quot; min&#x3D;&quot;0&quot; max&#x3D;&quot;1&quot; step&#x3D;&quot;0.01&quot;/&gt;
            &lt;/fieldset&gt;
          &lt;/li&gt;
          &lt;li&gt;&lt;span&gt;World borders layer&lt;/span&gt;
            &lt;fieldset id&#x3D;&quot;layer11&quot;&gt;
              &lt;label class&#x3D;&quot;checkbox&quot; for&#x3D;&quot;visible11&quot;&gt;
                &lt;input id&#x3D;&quot;visible11&quot; class&#x3D;&quot;visible&quot; type&#x3D;&quot;checkbox&quot;/&gt;visibility
              &lt;/label&gt;
              &lt;label&gt;opacity&lt;/label&gt;
              &lt;input class&#x3D;&quot;opacity&quot; type&#x3D;&quot;range&quot; min&#x3D;&quot;0&quot; max&#x3D;&quot;1&quot; step&#x3D;&quot;0.01&quot;/&gt;
            &lt;/fieldset&gt;
          &lt;/li&gt;
        &lt;/ul&gt;
      &lt;/li&gt;
    &lt;/ul&gt;
  &lt;/div&gt;
&lt;/div&gt;
</textarea>
          <input type="hidden" name="wrap" value="l">
          <input type="hidden" name="resources" value="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.4/css/bootstrap.min.css,https://maxcdn.bootstrapcdn.com/bootstrap/3.3.4/js/bootstrap.min.js,http://openlayers.org/en/v3.11.1/css/ol.css,http://openlayers.org/en/v3.11.1/build/ol.js">
        </form>
        <pre><code id="example-source" class="language-markup">&lt;!DOCTYPE html&gt;
&lt;html&gt;
&lt;head&gt;
&lt;title&gt;Layer group example&lt;/title&gt;
&lt;script src="https://code.jquery.com/jquery-1.11.2.min.js"&gt;&lt;/script&gt;
&lt;link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.5/css/bootstrap.min.css"&gt;
&lt;script src="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.5/js/bootstrap.min.js"&gt;&lt;/script&gt;
&lt;link rel="stylesheet" href="http://openlayers.org/en/v3.11.1/css/ol.css" type="text/css"&gt;
&lt;script src="http://openlayers.org/en/v3.11.1/build/ol.js"&gt;&lt;/script&gt;

&lt;style&gt;
#layertree li &gt; span {
  cursor: pointer;
}
&lt;/style&gt;
&lt;/head&gt;
&lt;body&gt;
&lt;div class="container-fluid"&gt;

&lt;div class&#x3D;&quot;row-fluid&quot;&gt;
  &lt;div class&#x3D;&quot;span6&quot;&gt;
    &lt;div id&#x3D;&quot;map&quot; class&#x3D;&quot;map&quot;&gt;&lt;/div&gt;
  &lt;/div&gt;
  &lt;div id&#x3D;&quot;layertree&quot; class&#x3D;&quot;span6&quot;&gt;
    &lt;h5&gt;Click on layer nodes below to change their properties.&lt;/h5&gt;
    &lt;ul&gt;
      &lt;li&gt;&lt;span&gt;OpenAerial layer&lt;/span&gt;
        &lt;fieldset id&#x3D;&quot;layer0&quot;&gt;
          &lt;label class&#x3D;&quot;checkbox&quot; for&#x3D;&quot;visible0&quot;&gt;
            &lt;input id&#x3D;&quot;visible0&quot; class&#x3D;&quot;visible&quot; type&#x3D;&quot;checkbox&quot;/&gt;visibility
          &lt;/label&gt;
          &lt;label&gt;opacity&lt;/label&gt;
          &lt;input class&#x3D;&quot;opacity&quot; type&#x3D;&quot;range&quot; min&#x3D;&quot;0&quot; max&#x3D;&quot;1&quot; step&#x3D;&quot;0.01&quot;/&gt;
        &lt;/fieldset&gt;
      &lt;/li&gt;
      &lt;li&gt;&lt;span&gt;Layer group&lt;/span&gt;
        &lt;fieldset id&#x3D;&quot;layer1&quot;&gt;
          &lt;label class&#x3D;&quot;checkbox&quot; for&#x3D;&quot;visible1&quot;&gt;
            &lt;input id&#x3D;&quot;visible1&quot; class&#x3D;&quot;visible&quot; type&#x3D;&quot;checkbox&quot;/&gt;visibility
          &lt;/label&gt;
          &lt;label&gt;opacity&lt;/label&gt;
          &lt;input class&#x3D;&quot;opacity&quot; type&#x3D;&quot;range&quot; min&#x3D;&quot;0&quot; max&#x3D;&quot;1&quot; step&#x3D;&quot;0.01&quot;/&gt;
        &lt;/fieldset&gt;
        &lt;ul&gt;
          &lt;li&gt;&lt;span&gt;Food insecurity layer&lt;/span&gt;
            &lt;fieldset id&#x3D;&quot;layer10&quot;&gt;
              &lt;label class&#x3D;&quot;checkbox&quot; for&#x3D;&quot;visible10&quot;&gt;
                &lt;input id&#x3D;&quot;visible10&quot; class&#x3D;&quot;visible&quot; type&#x3D;&quot;checkbox&quot;/&gt;visibility
              &lt;/label&gt;
              &lt;label&gt;opacity&lt;/label&gt;
              &lt;input class&#x3D;&quot;opacity&quot; type&#x3D;&quot;range&quot; min&#x3D;&quot;0&quot; max&#x3D;&quot;1&quot; step&#x3D;&quot;0.01&quot;/&gt;
            &lt;/fieldset&gt;
          &lt;/li&gt;
          &lt;li&gt;&lt;span&gt;World borders layer&lt;/span&gt;
            &lt;fieldset id&#x3D;&quot;layer11&quot;&gt;
              &lt;label class&#x3D;&quot;checkbox&quot; for&#x3D;&quot;visible11&quot;&gt;
                &lt;input id&#x3D;&quot;visible11&quot; class&#x3D;&quot;visible&quot; type&#x3D;&quot;checkbox&quot;/&gt;visibility
              &lt;/label&gt;
              &lt;label&gt;opacity&lt;/label&gt;
              &lt;input class&#x3D;&quot;opacity&quot; type&#x3D;&quot;range&quot; min&#x3D;&quot;0&quot; max&#x3D;&quot;1&quot; step&#x3D;&quot;0.01&quot;/&gt;
            &lt;/fieldset&gt;
          &lt;/li&gt;
        &lt;/ul&gt;
      &lt;/li&gt;
    &lt;/ul&gt;
  &lt;/div&gt;
&lt;/div&gt;

&lt;/div&gt;
&lt;script&gt;
var map &#x3D; new ol.Map({
  layers: [
    new ol.layer.Tile({
      source: new ol.source.MapQuest({layer: &#x27;sat&#x27;})
    }), new ol.layer.Group({
      layers: [
        new ol.layer.Tile({
          source: new ol.source.TileJSON({
            url: &#x27;http://api.tiles.mapbox.com/v3/&#x27; +
                &#x27;mapbox.20110804-hoa-foodinsecurity-3month.jsonp&#x27;,
            crossOrigin: &#x27;anonymous&#x27;
          })
        }),
        new ol.layer.Tile({
          source: new ol.source.TileJSON({
            url: &#x27;http://api.tiles.mapbox.com/v3/&#x27; +
                &#x27;mapbox.world-borders-light.jsonp&#x27;,
            crossOrigin: &#x27;anonymous&#x27;
          })
        })
      ]
    })
  ],
  target: &#x27;map&#x27;,
  view: new ol.View({
    center: ol.proj.fromLonLat([37.40570, 8.81566]),
    zoom: 4
  })
});

function bindInputs(layerid, layer) {
  var visibilityInput &#x3D; $(layerid + &#x27; input.visible&#x27;);
  visibilityInput.on(&#x27;change&#x27;, function() {
    layer.setVisible(this.checked);
  });
  visibilityInput.prop(&#x27;checked&#x27;, layer.getVisible());

  var opacityInput &#x3D; $(layerid + &#x27; input.opacity&#x27;);
  opacityInput.on(&#x27;input change&#x27;, function() {
    layer.setOpacity(parseFloat(this.value));
  });
  opacityInput.val(String(layer.getOpacity()));
}
map.getLayers().forEach(function(layer, i) {
  bindInputs(&#x27;#layer&#x27; + i, layer);
  if (layer instanceof ol.layer.Group) {
    layer.getLayers().forEach(function(sublayer, j) {
      bindInputs(&#x27;#layer&#x27; + i + j, sublayer);
    });
  }
});

$(&#x27;#layertree li &gt; span&#x27;).click(function() {
  $(this).siblings(&#x27;fieldset&#x27;).toggle();
}).siblings(&#x27;fieldset&#x27;).hide();

&lt;/script&gt;
&lt;/body&gt;
&lt;/html&gt;</code></pre>
      </div>
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    <script src="https://code.jquery.com/jquery-1.11.2.min.js"></script>
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    <script src="./resources/common.js"></script>
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    <script src="loader.js?id=layer-group"></script>

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